@article{10_4153_CJM_2013_038_6,
     author = {Feigin, Evgeny and Finkelberg, Michael and Littelmann, Peter},
     title = {Symplectic {Degenerate} {Flag} {Varieties}},
     journal = {Canadian journal of mathematics},
     pages = {1250--1286},
     year = {2014},
     volume = {66},
     number = {6},
     doi = {10.4153/CJM-2013-038-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-038-6/}
}